It looks like this is a web page, not a feed. I looked for a feed associated with this page, but couldn't find one. Please enter the address of your feed to validate.

Source: https://blog-380331773090.mit-edu.top/post/2574038961

  1. <!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="390"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "blog-380331773090.mit-edu.top",cType: 'managed',cRay: '90f4429ca8d5e602',cH: 'tzAP1.0DFQXHGS7J8UAkUrNk_ycbfZwgovwZ4wLwduA-1739108310-1.2.1.1-4uDQwpTnGM_xhlUmGbsVwo4sJlpjEKDLie3_X_oDr0bszJrWiRzj8yl7H8v_lbwV',cUPMDTk: "\/post\/2574038961?__cf_chl_tk=hIX5_gcAaNtjkDgjoVrAQlIOEDgE4CwxNitUJNYfiQI-1739108310-1.0.1.1-T7nnTopZjnjALcmI6XWWPHsZk8nzo.cVdyLZtHSNA4s",cFPWv: 'g',cITimeS: '1739108310',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/2574038961?__cf_chl_f_tk=hIX5_gcAaNtjkDgjoVrAQlIOEDgE4CwxNitUJNYfiQI-1739108310-1.0.1.1-T7nnTopZjnjALcmI6XWWPHsZk8nzo.cVdyLZtHSNA4s",md: "qwc2L4itOSae4dbizU22r5_ylA.nMRi_kH7YSyu1YQU-1739108310-1.2.1.1-andO95h23hh15vZsRSxQZRgYtZ984Xc7USUCEyd0PO.J9RnDcLQHPEG0_vqc6I.QInIqMKKJAMsBi7344S8o6LwsQVWz68.9fZHxC3iFiN_PuTXg90ZWBVCnp1sc.8q7taCHg0NKT2mMUuXVCd.J5Q4wzCLTAW3I8lg1xWli4PoT3UcnIqZrYDjlYopLUAXgDJVTn.jQRKWHYVOWDXW3GwNO8fUbTw.4iuvZzEinOEO_ZmgfKgM8mHfrgT0nT_qCyKC3gH2ErfYvYldz7wTBOqEKD80M5IIQ7J_VQFy1t29j2IY1loci6H.7vEELaxZA51EqpSWWXMuUvoAhtPlbL7p5hHp.iqg4NgLTLg.kXrbw7FUUV0u4KDlmCnNUHPjhNu.H7RnUBnKUC7C7k8zjKtVYHtx_rLcVjbceumCAwn5G6K7ee5Ylbo7ddXOHyMMcJQMLmEvz7Jg2mpD_hsSgXyOZqHrAPhD023VcTfGWsVNfHNjakgMubS5bld5k7NGkaT4PeH66UpFSen8tCvYxZ0bigFGABOxjOJcG0ITychHlVBsSfsbrpuF1H8xDJV2NPpO0lEklQw_vtAFuTWwKOUr_nhx5FsquKBaB8RCewaNq3XY.rDPpJ6foTvfvUyQjvD_gc66NsASc1oktSU7LvIWA9BnDpkSYTZEnTrC1nuugDuO9z6wKNjKv75wjvHH0z6KnCBfkyrIcHK_vD1pUOnqat7shwVdlLxBjHirPoDJPTTlrPLqNkAdaszxB8Vkt1MBqhCDjWW90nQThaLOm9f6AyL0fWjdP48rZ7CAOTgmrEhZ02N0ZiNWIWud6G4C5Aq1T5cSv7Say8VqxkqMXDClbQ50zzkc5ctNIf5zv.JmHPjKaNZLUQkghfYY.lG.K0w5BMcVOqW5khxTHLti57PTbVVDHwzxZOo1m6DM646GWSiB1acs_SMIIpOOTAKI5aLAUcfat0BOFHDGthCt2uTMEusmaq8d3uq0pkpcXy32h1SdFjXPJsFfu06OaoI..adBZV4ttFgvlvtrfhApwuoGn0fzLvvzg4noLkdwLVkMxYcyb0qGEbpSC1gT..YOZaaFAV2PmcxUrxR5d6WfG57RTowMapjQybrhtDuqOOLxfIKPo298_ddC1EAIVHBTuGV4qZoo9SWLSlhlH94FTR3b5MxY2iyMhORMJreQ6D9HqCJUaim5MWidbtAmnoM_Rg64997y7p6TeP5D9Udi4_.ZX7N5QcApAN8CAhhgDrND4pdMIKyPQhE3tVKtuOZcrXk38GNuRyJIqXxKOq28.6noVpB.q2X6Q6.VcBOLN3Kgltc6GI2pMUWsxoDNLah5dwvbX4GNJlpFa7D3BmU6F4h6gggus_O.m8KD5JfNXQBu.lpKEBj4LWfH0L8Vxk.KLKvR.y0FqZKswjLVUG16yNLhaTlDsfeKfk.icApd0RBbSbgIo7O6DM33Y7q5c0.C0VS.eLfD2BYOreFCfii_cs5pRpk9vi1YsgF4srgUGEKxhtGCRqRE_t4QKPiw_S9UQx8lOk5s63r2fiPLjCVZUce7DzihwDZwCdWI95sDyv7Q10HZXwFWA0CzZ.7d5doITFmgI1KlJJiqsSJ_iEMbaDC22sQeabAxG1UTDIC6qT.HQlBC5WJa1.rMbJPNautixlMpLYgXg9nqtzzc.qYz1OHBYhxMIh1k9WwTRLfpd.yTAfp3AmZQRanBpvetlRT_SnsJ4neMwi28yBO.bjgMfTfxGA.h1dgX9ShrgkJU6jRwl8IQydnIvjnghxRQOwRF_NJuTeP3q6mqyp_w2P89.QvGcUG0Cmll5TkLP9OsVI0ZtvMKJSkCURiMqScQXmOzZab5PylOzLVNBHjwkKiCUltx65ydVpzn4y4VCCC0o9uG_dU.fHe2bGyeIGIR55DKm3.IJwN9xOsbuLaObfE1CByhNAGK_X0Mh5Nkz3boJ2yKkOLK4QGmO0TYdzvALVVxyVSvNnPYN7RRe2I1.TsWNPROcpNcpfsUrOXBF0qefylSlt5HtfPEwSxuAmU3ggl3yQoB_eY7UzX1h3cim9N53i0AdRxHx7oLUa8RLyEgxoN6El19eIm80KmOAglxtlW4ESvlIcBs8XclWoFwvg_4YXplyQG5uuEIrBGWZKSL8xMPC5FR7.4NQbP4uLmtH4h04CTp.e5gUORH6BZK6w8.9LXxCp7ZLKVV7TSv474QgDfJcZtJrQpHHGoRNdCvrH9ju",mdrd: "rLPt8XUR9DZukftSQ5fn6b9t0_jZ5.tRCD6g4MfobNI-1739108310-1.2.1.1-O9DxnhaScT.pDaNVIRNr70LHio_MNTyKhCvA53I.yhB7SVVo7C35ma1hxXRctwbvOboESZ1v4zmwE3gZgstGqnGhCXRPO_L_NflH_6oOnzvmk.vvwZb4sLuzIDMoOKuIBEM2TcFST3vdyRU_7w36XA_9eXPqj..YDzaU5z97Y.GsQaTV8pstSIIZx817woUIpF_oastTjrF29xWSnwyTEppEvuOj.V481tDSQFllcl7kL_OPBxkGQZ0d9.fd39JA4ahuxGFToaiIMpLnWsxtzsc2NKDaXECUgqXb8M8z2F0Ph1FGGbRH3w4miONgVAzJaycW0OJwVLifNsig.2A5jqnD24W3_QK8e_b_PZqOLry6482mQrgvwQQ.3h8HnVkxrN.BVX2c1WhRZ6ybDnUlSej1.gUDBgHcxf.YvE_4oSHjsXs_Po4Yhbo.admUrXDc5svR.S0s6Jo8nuXz6VMSOAoNbHcLyPBhzshHtcIGPG9grqFz65Eg1TjIx0qGL1DQCuQ8aCSr5inwA_U1H.PqqW21fH28rQo9DPsNIfK4KYqp4UKhXqWUum3XFIYiWYWMLzVZfjvS8nq2cQSrTXN.GNVKaW2QxgTKiNgmESemg4s4fT0G_ljDPgzYDPpZ2p4Od5Ggw6TBjmBsHSE0B5uVzZUrFy_Oc_iDFC_x5Jx6GHzlY1ZN65PjSOqSOfHy0EesKUrWaTgczTCtCB5AA2CNQZETHwGiqLS29xIV6Q1kSWZpaYgYGbHTpnp5YF5PBqXIRJ0KxtUmIOYyCLEOIPxjaS22_A_QMOyZc6uxz81Wd_KvKghvEQcsyX27BA2.nZxR.gaHmi84QervQEIN7xrjiazxmJdTZhAdZ46NisvmKZJHa7z.Q6htJEf9wL7D3gaVT7RxRZlxXNsy3K_g6BfujVi7lZNcJSJs0epREgeiG43i5m2PCk0To8kpyTVncy_uG2jMbJ_zujkUPWsxbpPPlb48gG4WbNF9S3g_QK.mMqYWLtkDtPgPVVmBsgNkr707InYzxyE_p411w3rwmBjbLv8dv_AN6z_QKqqU.GEBKZerEoSH8sIIqdpMHfdsg4yv9MbIySyJ4Jb07Qd9bxnNFNRvPURFwlhzB2ujwdPpjdR67ijpA7OtWO2IsW4czdW89qJbD3YuTxowUkB4jRWiyKJuWKX.I2P767j2J5e1S.yHv_7pZfaW1mnEQdzCOoIOwvsYFJL51PAO6A6s.5dyVy7gs_OhNUKudfVvrTF_XrZE4lvQhpWw6W8BZCxJkjKPeN3ZN3GeUn6PF2NXquU.yAY0PFchzRi75so4rl4gUVP2fIFbhxTDrv2oklxOskbEBncigqog27iSqn9.m4F27qa27h3gvUxmE_3i0akOYJ1ye22hunW7j4mdrGuyEaK24Afd5Kei.aIJO4NPKvx0SNb5z11akx_8u55A_.oS6CGnzV0DqSLj6moGWkMfSoI1g3ZrSU6cUPWt7zHn29Nl2t3_TDT0irsJ8lDLtXu6.4gjl9JVhtA1VRZbnNR.8yNfZHbYuAo7sBdHhqnW5zs7ib1FOtNJIv8Hn1VTEHneroSawyq5cN2S.oN1C82x9nE.wQ4r_pEVVE7b1kFA3yFeQJYDPkfkU60eFOR_xD3zSYR1SCrS9jP.m_Jskxm9PWMlS41QZ3dC1NMYP4avXajUV_xJsWUm1WB6jUnFOP_QMqk63feg1tqq1IKsvceLwWgNirinNYpUh9l.xcRfh9twO6pBA1qIn_.Iitag8PkcuN.nFqyc9Q3AjpjhqNTSN3O6ZqtMMU_wIJzNkofTZKj6og"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f4429ca8d5e602';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/post\/2574038961?__cf_chl_rt_tk=hIX5_gcAaNtjkDgjoVrAQlIOEDgE4CwxNitUJNYfiQI-1739108310-1.0.1.1-T7nnTopZjnjALcmI6XWWPHsZk8nzo.cVdyLZtHSNA4s" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>
Copyright © 2002-9 Sam Ruby, Mark Pilgrim, Joseph Walton, and Phil Ringnalda